Car comparison

BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 3vsBMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 2vsBMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 1vsBMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison
BMW logo

BMW 2 Series Convertible (F23 LCI) · Facelift 2017

M240i (Stage 3)

510 hp2998 ccGasolineRWDManualTurbochargedCabriolet / convertible2017-2021
VS
BMW logo

BMW 2 Series Convertible (F23 LCI) · Facelift 2017

M240i (Stage 2)

442 hp2998 ccGasolineRWDManualTurbochargedCabriolet / convertible2017-2021
VS
BMW logo

BMW 2 Series Convertible (F23 LCI) · Facelift 2017

M240i (Stage 1)

401 hp2998 ccGasolineRWDManualTurbochargedCabriolet / convertible2017-2021
VS
BMW logo

BMW 2 Series Convertible (F23 LCI) · Facelift 2017

M240i

340 hp2998 ccGasolineRWDManualTurbochargedCabriolet / convertible2017-2021

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    292 km/h
    181 mph
  • Most powerful
    510 hp
    380 kW
  • Highest torque
    775 Nm
    572 lb-ft
  • Lightest
    1,620 kg
    3,571 lb
  • Best power-to-weight
    315 hp/t
    235 kW/t
    3.2 kg/hp
  • Lowest combined fuel consumption
    8.3 L/100 km
    28.3 mpg US
    34.0 mpg UK
  • Lowest city consumption
    11.2 L/100 km
    21.0 mpg US
    25.2 mpg UK
  • Lowest highway consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Lowest CO2 emissions
    189 g/km
  • Best estimated range
    627 km
    389 mi
  • Largest trunk
    280 L
  • Best overall score
    75/100
  • Best performance score
    89/100
  • Best economy score
    85/100
  • Best practicality score
    44/100

Specification comparison

Specification comparison
ModelBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Power
510hp380kW+170 hp
442hp330kW+102 hp
401hp299kW+61 hp
340hp254kW
Torque
775Nm572lb-ft+275 Nm
675Nm498lb-ft+175 Nm
610Nm450lb-ft+110 Nm
500Nm369lb-ft
Curb weight
1,620kg3,571lb
1,620kg3,571lb
1,620kg3,571lb
1,620kg3,571lb
Gross weight
2,045kg4,508lb
2,045kg4,508lb
2,045kg4,508lb
2,045kg4,508lb
Top speed
292 km/h
181 mph
+32 km/h
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
+30 km/h
Calculated
273 km/h
170 mph
+13 km/h
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
53.7s99% target: 289 km/h / 180 mph-15.8 s
Calculated
62.3s99% target: 287 km/h / 178 mph-7.2 s
Calculated
63.2s99% target: 270 km/h / 168 mph-6.2 s
Calculated
69.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.8s-1.1 s
4.2s-0.7 s
4.4s-0.5 s
4.9s
0-200 km/h
11.6s-6.4 s
Calculated
13.2s-4.8 s
Calculated
15.0s-3.0 s
Calculated
18.0s
Calculated
0-60 mph
3.6s-1.0 s
Calculated
4.0s-0.7 s
Calculated
4.2s-0.4 s
Calculated
4.7s
Calculated
Fuel consumption
8.3L/100 km28.3mpg US34.0mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
Fuel consumption city
11.2L/100 km21mpg US25.2mpg UK
11.2L/100 km21mpg US25.2mpg UK
11.2L/100 km21mpg US25.2mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Quarter mile
11.7s-1.4 s
Calculated
12.1s-0.9 s
Calculated
12.5s-0.6 s
Calculated
13.1s
Calculated
Power-to-weight
315hp/t235kW/t143hp/1000 lb
Calculated
273hp/t203kW/t124hp/1000 lb
Calculated
248hp/t185kW/t112hp/1000 lb
Calculated
210hp/t157kW/t95hp/1000 lb
Calculated
Torque-to-weight
478Nm/t320lb-ft/ton
Calculated
417Nm/t279lb-ft/ton
Calculated
377Nm/t252lb-ft/ton
Calculated
309Nm/t207lb-ft/ton
Calculated
Estimated range
627km389mi
Calculated
627km389mi
Calculated
627km389mi
Calculated
627km389mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
2,998cc183cu in
2,998cc183cu in
Length
4,454mm175in
4,454mm175in
4,454mm175in
4,454mm175in
Width
1,774mm70in
1,774mm70in
1,774mm70in
1,774mm70in
Height
1,403mm55in
1,403mm55in
1,403mm55in
1,403mm55in
Wheelbase
2,690mm106in
2,690mm106in
2,690mm106in
2,690mm106in
Front track
1,516mm60in
1,516mm60in
1,516mm60in
1,516mm60in
Rear track
1,534mm60in
1,534mm60in
1,534mm60in
1,534mm60in
Ground clearance
130mm5in
130mm5in
130mm5in
130mm5in
Trunk volume
280L
280L
280L
280L
Max trunk volume
335L
335L
335L
335L
Doors
2
2
2
2
Seats
4
4
4
4
Fuel tank
52L
52L
52L
52L
CO2 emissions
189g/km
189g/km
189g/km
189g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 2) 442 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 1) 401 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hpPowerTorque
  • BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp: Power / Torque
  • BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 2) 442 hp: Power / Torque
  • BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 1) 401 hp: Power / Torque
  • BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp5,500 rpm1,520-4,500 rpm5,750 rpm
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp5,500 rpm1,520-4,500 rpm5,750 rpm
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp5,500 rpm1,520-4,500 rpm5,750 rpm
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp5,500 rpm1,520-4,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
4.0 s
4.2 s
4.7 s
0-100 km/h
0-62 mph
3.8 s
4.2 s
4.4 s
4.9 s
0-200 km/h
0-124 mph
11.6 s
13.2 s
15.0 s
18.0 s
Top speed
292 km/h
181 mph
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
273 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
2.1 s
2.1 s
330 ft
101 m
5.1 s
5.3 s
5.4 s
5.6 s
1/8 mile
201 m
7.7 s
8.0 s
8.2 s
8.5 s
1000 ft
305 m
9.8 s
10.2 s
10.5 s
11.0 s
1/4 mile
402 m
11.7 s
12.1 s
12.5 s
13.1 s
Trap speed
1/4 mile
402 m
200 km/h
124 mph
192 km/h
119 mph
184 km/h
115 mph
175 km/h
109 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp has 170 hp more than BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp.

The biggest power difference is between BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp and BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp: 170 hp (127 kW).

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

The biggest 0-100 km/h difference is between BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp and BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp: 1.1 s.

The closest cars by acceleration are BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 2) 442 hp and BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 1) 401 hp, separated by only 0.3 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
510 hp
380 kW
3.8 s
292 km/h
181 mph
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
442 hp
330 kW
4.2 s
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
401 hp
299 kW
4.4 s
273 km/h
170 mph
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
340 hp
254 kW
4.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
Power
510 hp
380 kW
0-100 km/h3.8 s
Top speed
292 km/h
181 mph
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
Power
442 hp
330 kW
0-100 km/h4.2 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
Power
401 hp
299 kW
0-100 km/h4.4 s
Top speed
273 km/h
170 mph
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Power
340 hp
254 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
Power
510 hp
380 kW
0-100 km/h3.8 s
Top speed
292 km/h
181 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
Power
442 hp
330 kW
0-100 km/h4.2 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
Power
401 hp
299 kW
0-100 km/h4.4 s
Top speed
273 km/h
170 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Power
340 hp
254 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
3.8 s
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
4.2 s
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
4.4 s
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
4.9 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
315 hp/t
235 kW/t
3.2 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
273 hp/t
203 kW/t
3.7 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
248 hp/t
185 kW/t
4.0 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
210 hp/t
157 kW/t
4.8 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Power
510 hp
380 kW
442 hp
330 kW
401 hp
299 kW
340 hp
254 kW
Torque
775 Nm
572 lb-ft
675 Nm
498 lb-ft
610 Nm
450 lb-ft
500 Nm
369 lb-ft
Acceleration
3.8 s
4.2 s
4.4 s
4.9 s
Top speed
292 km/h
181 mph
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
273 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,620 kg
3,571 lb
1,620 kg
3,571 lb
1,620 kg
3,571 lb
1,620 kg
3,571 lb
Fuel consumption
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in
Range score
627 km
389 mi
627 km
389 mi
627 km
389 mi
627 km
389 mi
CO2 score
189 g/km
189 g/km
189 g/km
189 g/km
Trunk score
280 L
9.9 cu ft
280 L
9.9 cu ft
280 L
9.9 cu ft
280 L
9.9 cu ft
Power-to-weight score
315 hp/t
235 kW/t
3.2 kg/hp
273 hp/t
203 kW/t
3.7 kg/hp
248 hp/t
185 kW/t
4.0 kg/hp
210 hp/t
157 kW/t
4.8 kg/hp
Overall
Fixed score
Fixed score
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 2) 442 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 1) 401 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp
Consumption8.3 L/100 km28.3 mpg US34 mpg UK8.3 L/100 km28.3 mpg US34 mpg UK8.3 L/100 km28.3 mpg US34 mpg UK8.3 L/100 km28.3 mpg US34 mpg UK
Cost / 100 km14.53 LC100 km14.53 LC100 km14.53 LC100 km14.53 LC100 km
Cost / 100 mi23.38 LC100 mi23.38 LC100 mi23.38 LC100 mi23.38 LC100 mi
Annual fuel used1,245 L329 US gal274 UK gal1,245 L329 US gal274 UK gal1,245 L329 US gal274 UK gal1,245 L329 US gal274 UK gal
Annual fuel cost2,179 LC/year2,179 LC/year2,179 LC/year2,179 LC/year

Head-to-head comparisons

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp

  • Has 68 hp more
  • Has 100 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Has 42 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Highest CO2 emissions

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Popular comparisons

BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 3 vs BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 2 vs BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 1 vs BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i - car comparison - FastVsFaster